题目内容:
_______millions of people from rural areas continue to flood into large cities,white collars are retreating to smaller cities,in search of a relaxed lifestyle.
A.While
B.When
C.As
D.If
参考答案:
答案解析:
_______millions of people from rural areas continue to flood into large cities,white collars are retreating to smaller cities,in search of a relaxed lifestyle.
A.While
B.When
C.As
D.If